docs: def get_maxloss_rupture(dstore, loss_type):
      """
      :param dstore: a DataStore instance
      :param loss_type: a loss type string
      :returns:
          EBRupture instance corresponding to the maximum loss for the
          given loss type
      """
      lti = dstore['oqparam'].lti[loss_type]
      ridx = dstore.get_attr('rup_loss_table', 'ridx')[lti]
      [rgetter] = gen_rupture_getters(dstore, slice(ridx, ridx + 1))
      [ebr] = rgetter.get_ruptures()
      return ebr